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Moisture sorption/desorption of collagen / Albert M. Manich in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CV, N° 7 (07/2010)

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inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CV, N° 7 (07/2010) . - p. 229-241

Titre :	Moisture sorption/desorption of collagen
Type de document :	texte imprimé
Auteurs :	Albert M. Manich, Auteur ; Fernando Maldonado, Auteur ; Josep Carilla, Auteur ; M. Catalina, Auteur ; Agusti Marsal, Auteur
Année de publication :	2010
Article en page(s) :	p. 229-241
Note générale :	Bibliogr.
Langues :	Américain (ame)
Tags :	Sorption/désorption Collagène Cuir 'Poudre de peau' 'Sorption dynamique vapeur' 'Brunaeur Emmett and Teller' (BET) 'Guggenheim, Andersen Boer' (GAB)
Index. décimale :	675 Technologie du cuir et de la fourrure
Résumé :	Moisture sorption/desorption of two physical forms of collagen (hide powder and leather) was studied. Despite the fact that the testing of sorption/desorption behavior is time consuming, the application of a Dynamic Vapor Sorption analyzer enabled us to characterize the sorption/desorption behavior of materials in a relatively short time. Differences in sorption and desorption can be related to the accessibility and internal tortuosity of the materials. BET and GAB models were used to analyze variations in monolayer sorption capacity (internal sorption surface) of different forms of collagen (hide powder and leather). Variations in the energy constants related to primary and secondary sorption were also considered. Given that tests in desorption were performed, the BET and GAB models were also fitted to desorption and the differences observed in the parameters were analyzed. A model of sorption-desorption for porous materials was devised to account for the differences between sorption and desorption.
En ligne :	https://drive.google.com/file/d/1rsA4uYRuzAn7zyFwTQxNmytTwMlJYPQn/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9722

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